Of course, you haven’t actually done any work yet. Next, start your first app by running python manage.py startapp [app_label].
You’re seeing this message because you have DEBUG = True in your Django settings file and you haven’t configured any URLs. Get to work!

I believe the extra dot is to set the group to the owner’s default group. Otherwise it doesn’t change the group. This is just from memory though, I highly recommend you try that out yourself. – nboltonFeb 26 at 11:55

Summarized here in case of future link rot or tl;dr: SQLite3 wants write access to the DB file’s directory so that it can create a journal file there when a transaction is opened. – user1454265Jul 23 at 16:04